Patents by Inventor Doyle E. Hill

Doyle E. Hill has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4230601
    Abstract: A calibrator composition is disclosed in which a bias due to a dialyzed blood serum matrix is reduced to an acceptable level by the addition of a compatible, organic material. Methods of preparing and using the same are also disclosed.
    Type: Grant
    Filed: May 3, 1978
    Date of Patent: October 28, 1980
    Assignee: Eastman Kodak Company
    Inventor: Doyle E. Hill
  • Patent number: 4153668
    Abstract: A multi-zone analytical element for the analysis of a proteinaceous or protein-bound substance contained in an aqueous liquid and a method of using the same are disclosed. The multi-zone element contains a spreading zone and a reagent zone in fluid contact. The reagent zone of the element contains an interactive composition. Incorporated in the spreading zone of the element is an immobilized polymeric material containing charge-bearing functional groups that, under conditions of use of the element, exhibit an electric charge opposite to that of said proteinaceous substance or the protein portion of said protein-bound substance.
    Type: Grant
    Filed: January 3, 1978
    Date of Patent: May 8, 1979
    Assignee: Eastman Kodak Company
    Inventors: Doyle E. Hill, Karl J. Sanford